本文选取1985-2009年我国货币错配指数、外汇储备总额、人民币实际有效汇率和人民币汇率制度作为研究样本，构建状态空间模型（SSM）。由此得出结论：人民币汇率是影响我国货币错配程度的最主要因素；人民币汇率、汇率制度以及外汇储备额均为货币错配指数的格兰杰原因；浮动汇率制度更能缓解货币错配风险。%We build a SSM model which uses the sample of currency mis- match index, the total amount of foreign exchange reserves, the RMB real effec- tive exchange rate and exchange rate system during 1985 to 2009, It shows that the RMB exchange rate is the main factor which influences monetary mismatch degree. RMB exchange rate, exchange rate system, and foreign exchange reserves are Granger causes of monetary mismatch index. However, floating exchange rate system can ease currency mismatch risk to a certain degree.
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